发明人冯建国,钱学锋,孙丽萍. "Method for the Synthesis of 2,3,5,7-Tetrachloropyrido[3,4-b]pyrazine" [P]. 中国发明专利, 专利号 CN 109594194 A, 授权公告日 2020-05-03.
发明人林芳,张德明,高志强. "A Process for Preparing High-Purity 2,3,5,7-Tetrachloropyrido[3,4-b]pyrazine" [P]. 中国发明专利, 专利号 CN 116886991 B, 授权公告日 2025-05-07.
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